Curtis LT7029 User Manual
Page 53
22.1 Update by Micro SD card
1. Copy the download Update programs to Micro SD card,the file rename:
update. zip.
2. Shutdown the device.
3. Firstly long press the Volume- button, meanwhile,long press the Power ON/OFF
button without loosen until the screen appear below interface, loosen Volum- key.
4.Short press Home button on front of device,will appear as below:
5.Short press Volum+ can select rotative,when select 2
nd
(apply sdcard：update.zip),
short press the VOL- to confirm upgrade,system will upgrade automatically as below: